Product Details

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Varieties

Processing the form	Cylinder diameter	Length	Straightness	Dimensional accuracy	Wall thickness	Inner hole roughness
cold drawn	48~325	≤ 12m	0.3~0.8mm/m		±10%	0.8~1.6µm
honing	48~325	≤10m	0.3~0.8mm/m	H8~H9	±10%	0.3~0.8µm
rolling	50~250	≤ 9m	0.3~0.8mm/m	H7~H9	±10%	0.01µm

Mechanical Properties

Material	Tensile strength	Yield strength	Elongation	Hardness
20#	530σbN/mm2	505σbs/mm2	12σs%	175HB
45#	660σbN/mm2	630σbs/mm2	6σs%	207HB
16Mn	595σbN/mm2	570σbs/mm2	9σs%	190HB
27SiMn	840σbN/mm2	805σbs/mm2	7.5σs%	230HB

Our selection of steel bars is extensive,with variations of shapes,widths and lengths.

1. Abundant production experience

Wuxi Janda Hydraulic Technology Co., Ltd., founded in 2008,focused on precision cold drawnsteel tube,honing pipe,anchor drill and hydraulic cylinder research and producing, after years of practice, has the abundant technical force and the good team.

2. Quality raw materials

In order to improve product quality and reduce production cost, we always choose carefully and reserved the quality of the material after test and used.Our raw material suppliers are Baosteel Group Co., Ltd. and Tianjin iron and Steel Group Co., Ltd..

3. The advanced processing equipment

Our Company is provided with the advanced production and processing equipment, measuring instruments and the first-rate working environment, thus making this enterprise have a stronger production capability and market competitiveness.

4. Complete specification

We have various specifications of the mold. And we have products with best quality and complete specifications to guarantee the timely service.